Year % of working-age population 1960 7.930278447708836 1961 8.119601911526152 1962 8.32912891833198 1963 8.541963795940758 1964 8.753071253071253 1965 8.956826649134342 1966 9.140595964233402 1967 9.318731084935445 1968 9.488039831150557 1969 9.631648993259779 1970 9.690943181578781 1971 9.679271593798704 1972 9.661768229374651 1973 9.634829275880843 1974 9.610901578757842 1975 9.58962325160289 1976 9.565749896435582 1977 9.559947299077734 1978 9.564695801199658 1979 9.565522660024408 1980 9.553289237887329 1981 9.568126327805434 1982 9.614108716113005 1983 9.687415385541081 1984 9.790723649403327 1985 9.898356743390313 1986 9.998030222022118 1987 10.076323257928527 1988 10.151599011839032 1989 10.21104862719153 1990 10.224816535728614 1991 10.190680641495138 1992 10.197368421052632 1993 10.277513101476893 1994 10.397060868758983 1995 10.558872755235898 1996 10.756434504650983 1997 10.980948871887124 1998 11.232431053179953 1999 11.493232517336452 2000 11.736549088892085 2001 11.833197122418298 2002 11.732727093011762 2003 11.572200383416279 2004 11.435978273255593 2005 11.354249219150622 2006 11.31992486370092 2007 11.315075653122099 2008 11.349524552937837 2009 11.426748920850736 2010 11.461008012228739 2011 11.44386830234813 2012 11.458229529978409 2013 11.49476169396488 2014 11.531576773232032 2015 11.571994715984149 2016 11.628091187047511 2017 11.72591900653882 2018 11.874362190248425 2019 12.060293730751969 2020 12.297062308603788 2021 12.500383212238267 2022 12.692551735736837 2023 13.049180327868854